This model from the Energizer TrailFinder Series features lightweight construction and a durable clip for versatile mounting capabilities and hands-free operation. This is a perfect light for reading in low-light areas or finding your way around during a power outage or camping trip. A single Nichia LED emits a bright white light with minimum draw on the battery. Powered by two CR2032 batteries, this light boasts a battery life of up to 30 hours.